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2017 IEEE International Conference on Power, Control, Signals and Instrumentation Engineering (ICPCSI)最新文献

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Cryptographic-steganography network communication 密码隐写网络通信
R. Vijayan, R. S. Sreedivya
Data security is vital for any firm as the automation of data transferring improves efficiency and productivity. The proposed software not only ensures data security but also serves as an important and effective tool in the efficient functioning of an organization. Besides protecting data while transferring it through the insecure channels, it also serves to maintain a highly useful database, which is of immense help when it comes to maintaining highly confidential documents, credit card details as well as employee records. The primary objective of this system is to protect confidential documents by implementing cryptographic techniques such as encryption and decryption. Cryptography is the practice of protecting the contents of a message alone, steganography is concerned with concealing the fact that a secret message is being sent, as well as concealing the contents of the message. Steganography includes the concealment of information within computer files. In digital steganography, electronic communications may include steganographic coding inside of a transport layer, such as a document file, image file, program or protocol. The proposed system will accept a data file or message as input and hide the contents in to a media file like an image as per user's choice; after that it will encrypt with a secure cryptographic algorithm like Rijndael. The resultant cipher output is sending to the receiver through any network. The same way recipient can decrypt the data using reverse engineering technique.
数据安全对于任何公司来说都是至关重要的,因为数据传输的自动化提高了效率和生产力。所建议的软件不仅可以确保数据安全,而且可以作为组织有效运作的重要和有效的工具。除了在通过不安全的渠道传输数据时保护数据外,它还可以维护一个非常有用的数据库,这在维护高度机密的文件、信用卡详细信息以及员工记录方面具有巨大的帮助。该系统的主要目标是通过实现加密和解密等加密技术来保护机密文件。密码学是单独保护消息内容的实践,隐写术涉及隐藏正在发送的秘密消息的事实,以及隐藏消息的内容。隐写术包括隐藏计算机文件中的信息。在数字隐写术中,电子通信可以包括传输层内的隐写编码,例如文档文件、图像文件、程序或协议。建议的系统将接受数据文件或消息作为输入,并根据用户的选择将内容隐藏到图像等媒体文件中;之后,它将使用Rijndael等安全加密算法进行加密。由此产生的密码输出通过任何网络发送给接收者。同样的方式,接收方可以使用反向工程技术解密数据。
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引用次数: 1
Minimizing energy consumption using modified-mecor protocol in MANET 在MANET中使用修改后的主协议最小化能源消耗
Kuldeep Sonawane, A. Naik
Network framework and unified administration do not affect ad-hoc networks since they have dynamic topology. This characteristic of MANET is leads to a number of problems like increase in overhead, increase in energy consumption, trust issues etc. This fluctuation in network topology makes them hard to utilize. Since these nodes are battery operated so they suffer from the issue of energy restriction which affects the lifetime of network depending on the usage of battery. The main motive is to provide energy efficient routing keeping in mind the residual energy of the nodes and hop count. We have used ant colony optimization technique for determining best routes. To achieve this goal, we develop a routing protocol that uses path optimization to minimize the consumption of energy. For the path discovery mechanism, we are using Ant Colony Optimization technique. We have used parameters like residual battery energy and path selection mechanism to classify efficient paths.
由于ad-hoc网络具有动态拓扑结构,因此网络框架和统一管理不影响ad-hoc网络。MANET的这一特点导致了许多问题,如开销增加、能源消耗增加、信任问题等。这种网络拓扑结构的波动使它们难以利用。由于这些节点是电池操作的,因此它们受到能量限制的问题,这会影响网络的寿命,这取决于电池的使用情况。其主要动机是提供节能路由,同时考虑节点的剩余能量和跳数。我们使用蚁群优化技术来确定最佳路线。为了实现这一目标,我们开发了一种路由协议,该协议使用路径优化来最小化能量消耗。对于路径发现机制,我们使用蚁群优化技术。我们使用电池剩余能量和路径选择机制等参数对有效路径进行分类。
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引用次数: 3
Optimization strategies through big-data migration in distributed cloud databases 分布式云数据库大数据迁移优化策略
A. Mateen, Kashif Ali
Big data term tends towards production of data at bulk level from different institutes communicate to share information using enormous medias as source of connections between scattered branches. That process might produce data of symmetric or different in nature and stored on cloud or local data store of organization. Decrement in response time to fetch data efficiently, feedback in form of correct and concurrence data are major expected quality parameters try to maintain in development process of cloud database distributions. Different methodologies introduced in Query optimization process for performance up gradation of cloud transactions. Communication systems are collections of different resources, shared in between local or global points, designed implemented in optimal architecture framework that used for business transactions and data migration process. Such designs might be implemented on hardware level, software level and blend of both as per nature of user requirement specifications. IN-memory grid, large cache memory storage space, used to enhance availability of same data requested by institutional websites for users those request. Another approach (Evolutionary algorithm) is management of resources used for optimization of data migration networks that reduce overall cost of hardware connected for completion of tasks carried out in query processing. Research work is effort towards comparisons of different strategies used in optimization domain of distributed cloud databases. Experimental work perform on integrated system, use In-memory data grid for similar data availability enhancement and evolutionary algorithm for resource allocation to particular query plan. Results depicts that over all new system is slightly better than each ones according time and cost parameters. Future work for new lines also discussed. Proposed system's pros and cons declared for refinement of developed methodology.
大数据术语倾向于从不同机构批量生产数据,利用庞大的媒体作为分散分支机构之间的连接来源,进行通信共享信息。该过程可能产生对称或不同性质的数据,并存储在云或组织的本地数据存储中。减少响应时间以有效获取数据,以正确和并发的形式反馈数据是云数据库分布开发过程中试图保持的主要期望质量参数。在查询优化过程中引入了不同的方法来实现云事务的性能提升。通信系统是不同资源的集合,在本地或全局点之间共享,在用于业务事务和数据迁移过程的最佳体系结构框架中设计实现。这样的设计可以在硬件级、软件级实现,也可以根据用户需求规格的性质混合两者。内存网格,大的缓存存储器存储空间,用于增强机构网站对用户请求的相同数据的可用性。另一种方法(进化算法)是管理用于优化数据迁移网络的资源,从而降低为完成查询处理中执行的任务而连接的硬件的总成本。研究工作是对分布式云数据库优化领域中使用的不同策略进行比较。在集成系统上进行实验,采用内存数据网格增强类似数据可用性,采用进化算法对特定查询计划进行资源分配。结果表明,根据时间和成本参数,总体而言,新系统略优于每个系统。还讨论了未来新线路的工作。提出的系统的优点和缺点,以改进已开发的方法。
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引用次数: 4
Survey of analysis of performance in cloud computing environment 云计算环境下性能分析综述
A. Mishra, Nashet Ali, Avinash Gupta
Most prominent characteristics of cloud computing is Resource virtualization. The placement of virtual machines (VMs) in the physical machines determines the resource utilization efficiency and service quality. For distributed cloud computing, where the data centers (DCs) span a large number of topographical areas and every DCs are connected by high speed internet, the placement of VMs of one big job or of one organization focuses on minimizing the distances and bandwidths between DCs. This minimizes communication latency and improves availability. A data center cluster should be found firstly to accommodate the requested VMs. In this paper algorithms of cloud computing are surveyed and analyzed systematically. Several algorithms of resource allocation and VM support which affects the performance in cloud.
云计算最突出的特点是资源虚拟化。虚拟机在物理机上的位置决定了资源利用效率和服务质量。对于分布式云计算,数据中心(dc)跨越大量的地形区域,并且每个数据中心都通过高速互联网连接,一个大工作或一个组织的vm的放置重点是最小化数据中心之间的距离和带宽。这将最小化通信延迟并提高可用性。首先应该找到一个数据中心集群来容纳所请求的虚拟机。本文对云计算算法进行了系统的综述和分析。影响云计算性能的资源分配算法和虚拟机支持。
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引用次数: 1
Discrete-time super-twisting observer based control design for magnetically levitated system 基于离散超扭观测器的磁悬浮系统控制设计
R. Meena, B. Pratap, Vinay Pratap Singh
This paper presents a discrete-time robust observer based control designed for magnetically levitated system (MLS). The MLS is an unstable system based on the method of transportation of moving an object using lift and propulsion provided by magnets. The nonlinear dynamics of MLS has been discretized using Euler's method. The proposed observer based control is designed using sliding mode approach with the super-twisting algorithm (STA). The stability analysis of overall system has been worked out with the help of Lyapunov theory. The simulation results are highlighted the robust performance of the proposed scheme in the presence of uncertainty.
提出了一种基于离散鲁棒观测器的磁悬浮系统控制方法。MLS是一种不稳定的系统,基于利用磁铁提供的升力和推进力来移动物体的运输方法。采用欧拉方法对MLS的非线性动力学进行了离散化。采用滑模方法和超扭转算法设计了基于观测器的控制。利用李亚普诺夫理论对整个系统进行了稳定性分析。仿真结果表明,该方法在存在不确定性的情况下具有良好的鲁棒性。
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引用次数: 2
Web forum crawling using text-based filters 使用基于文本的过滤器抓取Web论坛
Priyanka Bandagale, Atiya R. Kazi
Forum websites contain very valuable information about frequently occurred problems in any subject. The good thing about these forums is, it is organized in a very proper format so that people can navigate easily to their expected discussion page. Now a days search engines are becoming very specific for different types of websites. So, they are making special crawlers for different types of websites to crawl exact information from raw html code. The research on forum crawlers is increased since last few years. But the main challenge in forum crawlers is finding similarity between URLs from different forum sites. This paper focuses on crawling forum URLs and classifying them as Entry, Index, Thread and Page Flipping URLs.
论坛网站包含关于任何主题中经常出现的问题的非常有价值的信息。这些论坛的好处是,它以非常合适的格式组织,以便人们可以轻松地导航到他们期望的讨论页面。现在,搜索引擎对不同类型的网站变得非常具体。因此,他们正在为不同类型的网站制作特殊的抓取工具,以便从原始html代码中抓取准确的信息。近年来,论坛爬虫的研究越来越多。但是论坛爬虫的主要挑战是找到来自不同论坛站点的url之间的相似性。本文主要对论坛url进行抓取,并将其分类为入口url、索引url、线程url和翻页url。
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引用次数: 0
Biogeography based optimization algorithm analysis through optimal position of STATCOM for improvement of transient stability 基于生物地理学的优化算法分析,通过STATCOM的最优位置来提高暂态稳定性
P. Dhal
The power system analysis of transient stability is one of the major problems in recent days. The maintaining voltage stability is a challenging issue in planning and security assessment of power system. It is required to maintain steady value voltage at all buses in the power system under normal and abnormal condition. Here the transient stability analysis through optimal location and tuning of STATCOM is thoroughly investigated. When a three phase fault is applied in multimachine power system, the voltage stability of the system is severely affected. By using STATCOM device, the multi machine system regains its stability. The performance analysis of STATCOM has been executed for Western Science Coordinated Council (WSCC) 9-bus system using power system analysis tool box (PSAT) software. The parameters of the STATCOM are tuned by biogeography based optimization (BBO) and the effect of proposed method is proved by the analysis of the results.
电力系统暂态稳定分析是当前电力系统研究的热点问题之一。在电力系统规划和安全评估中,保持电压稳定是一个具有挑战性的问题。要求电力系统在正常和异常情况下,各母线电压均保持稳定。本文深入研究了STATCOM优化定位和调谐后的暂态稳定性分析。当三相故障应用于多机电力系统时,将严重影响系统的电压稳定性。通过使用STATCOM设备,使多机系统恢复稳定。利用电力系统分析工具箱(PSAT)软件对西方科学协调委员会(WSCC) 9总线系统的STATCOM进行了性能分析。采用基于生物地理学的优化方法(BBO)对STATCOM的参数进行了调整,并对结果进行了分析,验证了该方法的有效性。
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引用次数: 0
A hybrid approach for pansharpening using Hilbert vibration decomposition 一种基于Hilbert振动分解的泛锐化混合方法
Nidhi Saxena, K. K. Sharma
Pansharpening scheme improves the spatial and spectral resolution of the multispectral (MS) images using the Panchromatic (PAN) image. In this paper, a new Hybrid pansharpening approach using Hilbert vibration decomposition (HVD) is proposed. In the proposed method both the MS and PAN images are decomposed into many instantaneous amplitudes and frequency components in the decreasing order of energy using the HVD. The instantaneous amplitude of the first component (having highest energy) in the decomposition of the MS and PAN images are used to generate the pansharpened image using pansharpening model. Experimental results of the proposed technique in terms of both visual perception and objective metrics demonstrate that the proposed fusion scheme has improved spectral and spatial quality as compared to the existing schemes.
Pansharpening方案利用全色(PAN)图像提高了多光谱(MS)图像的空间和光谱分辨率。提出了一种基于Hilbert振动分解(HVD)的混合泛锐化方法。在该方法中,利用HVD将MS和PAN图像按能量递减的顺序分解成许多瞬时幅值和频率分量。利用MS和PAN图像分解中能量最高的第一分量的瞬时幅值,利用pansharpening模型生成pansharpening图像。在视觉感知和客观度量方面的实验结果表明,与现有方案相比,所提出的融合方案提高了光谱和空间质量。
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引用次数: 2
Experimental evaluation of model predictive control using data driven models 基于数据驱动模型的模型预测控制实验评价
Pournima Vikas Paranjape, N. Patel
The Single Board Heater System (SBHS) can be chosen as the system which may find many analogous industrial applications where acute temperature control is demanded. The basic requirement in process control industry is the development of good model for the betterment of controller behavior, hence the fundamental task for any control problem is the development of model for the process to be controlled and design of controller using the model developed. The system identification of the process is done by using data driven or black box modeling. Model Predictive Control (MPC) is a control strategy that was developed in the process control industries to deal with constraints during operation of the plant and multivariable interactions. MPC can be formulated as : A nearly accurate model for given system, possible effects of the current and future manipulated input on the future plant dynamics can be predicted on-line and used to choose the input moves optimally [1]. The on-line predictions can be done over a window moving with time. The efficacy of these algorithms is tested through a Single Board Heater System which is temperature control process with heater and fan. The analysis of the control algorithms is done using LabVIEW and Matlab.
单板加热系统(SBHS)可以选择作为系统,可以找到许多类似的工业应用中,需要严格的温度控制。过程控制行业的基本要求是开发良好的模型以改善控制器的行为,因此任何控制问题的基本任务都是为被控制过程开发模型并利用所开发的模型设计控制器。流程的系统识别是通过使用数据驱动或黑盒建模来完成的。模型预测控制(MPC)是在过程控制行业中发展起来的一种控制策略,用于处理设备运行过程中的约束和多变量相互作用。MPC可以表述为:给定系统的一个近乎精确的模型,当前和未来被操纵的输入对未来植物动力学的可能影响可以在线预测,并用于选择最优的输入动作[1]。在线预测可以在一个随时间移动的窗口内完成。通过一个带有加热器和风扇的温度控制过程的单板加热系统,对这些算法的有效性进行了测试。利用LabVIEW和Matlab对控制算法进行了分析。
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引用次数: 1
TCR designing to minimize the voltage fluctuation within 5% of three phase arc furnace TCR设计使三相电弧炉的电压波动在5%以内
Ijaz Ahmad, Meng Huang, Hafiz Muhammad Rukham, Mian Muhammad Kamal
Electric Arc Furnaces (EAFs) are unbalanced nonlinear and time varying loads, which can cause many problems in the power system quality. Then by considering the high changes of reactive power and volts flicker of nonlinear heater load, thyristor manipulated reactor compensation with thyristor switched capacitor (TCR) are made and simulated.
电弧炉是一种不平衡的非线性时变负荷,会给电力系统质量带来诸多问题。然后,针对非线性加热负载的无功功率和电压闪变变化大的问题,提出了用晶闸管开关电容(TCR)进行晶闸管操纵电抗器补偿的方法,并进行了仿真。
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引用次数: 0
期刊
2017 IEEE International Conference on Power, Control, Signals and Instrumentation Engineering (ICPCSI)
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